Uygun Ahmet Demirhan, Gündoğdu Eyüp Candaş, Arslan Hakan, Ersoy İbrahim
Department of Endodontics, Faculty of Dentistry, Recep Tayyip Erdogan University, Rize, Turkey.
Department of Endodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey.
Aust Endod J. 2017 Aug;43(2):89-93. doi: 10.1111/aej.12176. Epub 2016 Nov 12.
The aim of this study was to compare the efficacy of the XP-endo Finisher and TRUShape 3D Conforming File to conventional and ultrasonic irrigation techniques for removing calcium hydroxide from artificially created grooves on root canals. The study used 32 human mandibular premolar teeth, which were decoronated and instrumented up to ProTaper Universal F5 (Dentsply Maillefer; Ballagiues, Switzerland). The teeth were split longitudinally, two standardised grooves were prepared in the apical and coronal portions and filled with calcium hydroxide. Each tooth was reassembled with wax. The samples were stored at 100% humidity at 37°C for 1 week, after which the specimens were grouped and irrigated using needle irrigation, ultrasonic irrigation, XP-endo Finisher via continuous irrigation or TRUShape 3D Conforming File via continuous irrigation. Two calibrated observers scored the amount of calcium hydroxide remaining, and the data were statistically analysed using the Kruskal-Wallis and Mann-Whitney U-tests, (P < 0.05). Needle irrigation had the poorest scores (P < .001), while the XP-endo Finisher, TRUShape 3D Conforming File via continuous irrigation and ultrasonic irrigation groups had similar results in removing calcium hydroxide.
本研究的目的是比较XP-endo Finisher和TRUShape 3D贴合锉与传统冲洗技术及超声冲洗技术，在去除人工制备的根管沟槽中氢氧化钙的效果。该研究使用了32颗人类下颌前磨牙，去冠后预备至ProTaper Universal F5（登士柏迈弗；瑞士巴拉吉）。将牙齿纵向劈开，在根尖和冠部制备两条标准化沟槽并填充氢氧化钙。每颗牙齿用蜡重新组装。样本在37°C、湿度100%的条件下保存1周，之后将标本分组，分别采用针管冲洗、超声冲洗、通过连续冲洗使用XP-endo Finisher或通过连续冲洗使用TRUShape 3D贴合锉进行冲洗。两名经过校准的观察者对残留氢氧化钙的量进行评分，并使用Kruskal-Wallis和Mann-Whitney U检验对数据进行统计学分析，（P < 0.05）。针管冲洗评分最差（P < 0.001），而通过连续冲洗使用XP-endo Finisher、TRUShape 3D贴合锉和超声冲洗组在去除氢氧化钙方面结果相似。
